ACL Bearings 6B1387A-10 Standard Connecting Rod Bearings 0.010" Undersize

The ACL Bearings 6B1387A-10 connecting rod bearing set features ACL's Aluglide aluminum-tin bearing material, engineered for reliable performance in demanding engine applications. The 0.010" undersize dimension accommodates reground crankshafts, providing proper clearances for rebuilt engines.

Key Features:

• Aluglide aluminum-tin bearing material for excellent seizure resistance and load capacity
• 0.010" undersize for use with reground crankshafts
• Lead-free construction meets modern environmental standards
• Precision-machined to tight tolerances for consistent wall thickness and crush
• Hardened steel backing for improved bearing retention and heat transfer
• No flash plating on bearing back for maximum grip and thermal dissipation

ACL's Aluglide bearings utilize refined aluminum-tin alloy technology originally developed for Japanese and European passenger car applications. This lead-free bearing material provides the strength and durability required for modern engines while meeting environmental regulations. Each bearing set is manufactured with micron-level precision to ensure reliable fitment and consistent oil clearances.